Silver scurf is caused by the fungus, Helminthosporium solani. It is spread primarily by infected seed.
Scientific Name:
Helminthosporium solani
Type:
Diseases & Viruses
Control Options for Silver scurf on Potatoes
| Material | Application per Acre | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|
|
thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) |
0.31 fl oz/100 lb seed | 12 h | - | IRAC 4A; FRAC 12, 3 | G | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. |
|
thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) |
0.19 to 0.27 fl oz/100 lb seed | 12 h | - | IRAC 4A; FRAC 12 | G | It will limit the spread of H. solani (causal agent of silver scurf disease) from infected seed during the cutting and planting process. |
|
thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) |
0.5 fl oz/100 lb seed | 12 h | - | IRAC 4A; FRAC 12, 3, 7 | G | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. |
|
manxozeb (Dithane F-45 Rainshield (seed treatment)) |
See Label | 24 hr | - | M3 | F | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. Use Rate: 1.6 to 2.5 fl oz product/100 lb seed. |
|
fludioxonil (Maxim 4FS) |
See Label | 12 hr | - | 12 | F | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. Use Rate: 0.08 fl oz product/100 lb seed. |